import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:url_launcher/url_launcher.dart';

class TextLink extends StatelessWidget {
  final String title;
  final String url;
  final Color color;
  final double paddingHorizontal;
  final double paddingVertical;
  final FontWeight fontWeight;
  final bool selected;
  TextLink(this.title, this.url, {
    this.color,
    this.paddingHorizontal,
    this.paddingVertical,
    this.fontWeight,
    this.selected
  });

  @override
  Widget build(BuildContext context) {
    return MouseRegion(
      cursor: SystemMouseCursors.click,
      child: GestureDetector(
        child: Container(
          padding: EdgeInsets.symmetric(
              vertical: paddingVertical ?? 0.0,
              horizontal: paddingHorizontal ?? 0.0
          ),
          child: Text(
            title,
            style: TextStyle(
              color: color ?? Colors.blue,
              fontWeight: fontWeight ?? FontWeight.normal,
            ),
          ),
          decoration: BoxDecoration(
            border: (selected != null && selected) ? Border(
              bottom: BorderSide(
                color: color ?? Colors.blue,
                width: 3.0,
              )
            ) : null,
          ),
        ),
        onTap: () async {
          if (await canLaunch(url)) {
            await launch(url);
          } else {
            throw 'Could not launch $url';
          }
        },
      ),
    );
  }
}